Joseph G. Walsh

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Oakland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
O-quinone diazide sulfonic acid monoesters useful as sensitizers fo...
- Patent number 4,853,315
- Issue date Aug 1, 1989
- International Business Machines Corporation
- Dennis R. McKean
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY